/* * Copyright (c) 2013-2014 Wind River Systems, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * @file * @brief TI LM3S6965 System Control Peripherals interface * * * Library for controlling target-specific devices present in the 0x400fe000 * peripherals memory region. * * Currently, only enabling the main OSC with default value is implemented. */ #include #include #include #include "scp.h" /* System Control Peripheral (SCP) Registers */ volatile struct __scp __scp_section __scp; /** * * @brief Enable main oscillator with default frequency of 6MHz * * @return N/A */ void _ScpMainOscEnable(void) { union __rcc reg; reg.value = __scp.clock.rcc.value; reg.bit.moscdis = 0; reg.bit.oscsrc = _SCP_OSC_SOURCE_MAIN; reg.bit.xtal = _SCP_CRYSTAL_6MHZ; __scp.clock.rcc.value = reg.value; }